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2026-06-04 - 10:21
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Thu Jun 04, 2026 00:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3989212664,7sleep10-21swapper/119:07:141
38882112103,6sleep20-21swapper/219:05:552
39762111102,6sleep30-21swapper/319:07:043
31297210999,7sleep00-21swapper/019:05:100
152502640,1sleep115256-21gltestperf22:10:161
102022580,0sleep30-21swapper/300:00:133
156242540,0sleep00-21swapper/019:20:140
437699270,26cyclictest0-21swapper/220:07:002
437399270,26cyclictest0-21swapper/121:53:341
437399270,26cyclictest0-21swapper/121:37:071
437399270,26cyclictest0-21swapper/119:25:251
437399270,26cyclictest0-21swapper/100:28:511
436599270,26cyclictest0-21swapper/021:31:380
436599270,26cyclictest0-21swapper/019:58:070
437699260,25cyclictest0-21swapper/223:45:442
437699260,25cyclictest0-21swapper/220:46:362
437399260,25cyclictest0-21swapper/123:43:331
437399260,25cyclictest0-21swapper/123:38:451
437399260,25cyclictest0-21swapper/123:32:591
437399260,25cyclictest0-21swapper/120:36:391
436599260,25cyclictest0-21swapper/023:08:020
436599260,25cyclictest0-21swapper/023:08:020
436599260,25cyclictest0-21swapper/022:38:560
436599260,25cyclictest0-21swapper/022:21:230
436599260,25cyclictest0-21swapper/000:17:240
436599260,25cyclictest0-21swapper/000:09:330
4376992523,2cyclictest0-21swapper/220:31:092
4376992518,7cyclictest0-21swapper/223:13:022
4373992523,2cyclictest0-21swapper/100:04:031
4365992517,7cyclictest0-21swapper/021:13:300
4365992516,8cyclictest0-21swapper/022:05:560
436599250,24cyclictest0-21swapper/022:58:280
436599250,24cyclictest0-21swapper/021:15:190
436599250,24cyclictest0-21swapper/000:39:480
437699243,20cyclictest0-21swapper/221:43:072
4376992422,2cyclictest0-21swapper/220:51:122
437699241,22cyclictest0-21swapper/222:12:172
437699241,22cyclictest0-21swapper/219:40:192
4365992421,3cyclictest0-21swapper/023:01:530
436599240,23cyclictest0-21swapper/000:21:300
4376992321,2cyclictest0-21swapper/222:06:282
437699231,21cyclictest0-21swapper/222:55:202
437699230,22cyclictest0-21swapper/221:34:282
4373992321,2cyclictest0-21swapper/122:22:291
437399230,22cyclictest0-21swapper/122:36:381
437399230,22cyclictest0-21swapper/121:56:501
4365992321,2cyclictest0-21swapper/021:26:370
436599231,21cyclictest0-21swapper/023:17:130
436599231,21cyclictest0-21swapper/019:52:540
436599230,22cyclictest0-21swapper/020:45:270
8882220,0sleep10-21swapper/122:25:171
4376992220,2cyclictest0-21swapper/221:58:312
4376992218,3cyclictest0-21swapper/219:13:022
437699220,3cyclictest0-21swapper/221:01:572
437699220,21cyclictest0-21swapper/223:59:182
437699220,21cyclictest0-21swapper/223:15:112
437699220,21cyclictest0-21swapper/222:46:192
437699220,21cyclictest0-21swapper/220:03:192
437699220,21cyclictest0-21swapper/200:08:122
437399228,9cyclictest0-21swapper/123:20:101
4373992220,2cyclictest0-21swapper/122:00:561
4373992220,2cyclictest0-21swapper/100:21:391
4373992218,3cyclictest0-21swapper/123:58:301
4373992218,3cyclictest0-21swapper/122:50:171
4373992218,3cyclictest0-21swapper/122:47:591
437399220,21cyclictest0-21swapper/121:24:111
437399220,21cyclictest0-21swapper/119:58:361
437399220,21cyclictest0-21swapper/119:21:151
437399220,21cyclictest0-21swapper/100:11:481
436599226,14cyclictest0-21swapper/020:20:090
4365992220,2cyclictest0-21swapper/020:14:100
4365992220,2cyclictest0-21swapper/020:07:180
4365992220,2cyclictest0-21swapper/000:04:330
4365992215,7cyclictest0-21swapper/022:26:020
436599221,20cyclictest0-21swapper/023:57:030
436599220,21cyclictest0-21swapper/022:33:080
436599220,21cyclictest0-21swapper/022:03:370
436599220,21cyclictest0-21swapper/021:41:530
436599220,21cyclictest0-21swapper/021:03:420
436599220,21cyclictest0-21swapper/020:32:150
436599220,21cyclictest0-21swapper/019:47:180
436599220,21cyclictest0-21swapper/019:47:180
4376992119,2cyclictest0-21swapper/219:35:182
4376992117,3cyclictest0-21swapper/221:35:322
437699210,3cyclictest0-21swapper/223:43:482
437699210,3cyclictest0-21swapper/219:33:092
437699210,2cyclictest10466-21irqstats00:00:152
437699210,20cyclictest0-21swapper/223:51:122
437699210,20cyclictest0-21swapper/223:34:212
437699210,20cyclictest0-21swapper/223:29:212
437699210,20cyclictest0-21swapper/223:20:312
437699210,20cyclictest0-21swapper/223:04:412
437699210,20cyclictest0-21swapper/222:32:222
437699210,20cyclictest0-21swapper/221:22:112
437699210,20cyclictest0-21swapper/221:18:272
437699210,20cyclictest0-21swapper/221:08:462
437699210,20cyclictest0-21swapper/220:43:222
437699210,20cyclictest0-21swapper/220:23:062
437699210,20cyclictest0-21swapper/220:10:482
437699210,20cyclictest0-21swapper/219:46:062
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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